Patent US5784663A successfully refreshed from Google Patents.
Patent US3857008A successfully refreshed from Google Patents.
US3857008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternate make-break type slide switch with improved movable contact
Assignee: US Philips Corp
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Filing: 1973-07-25
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Granted: 1974-12-24
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Expires: 1993-07-25
Abstract
Abstract A slide switch comprising a strip-like contact slide provided with movable contacts, each of which has two resilient fingers provided with contact areas. The fingers are connected, by connecting strips which act as torsion springs and which extend perpendicular to the fingers, to a centre part which has a central opening and which serves for connection on the contact slide.
Inventors
- 👤 Der Donk J Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:22
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02; H01H15/06; H01H1/00; H01H1/12; H01H1/36; H01H1/40; H01H1/403; H01H1/44
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
197 words
A slide switch comprising a strip-like contact slide which is provided with movable contacts and which is slidable in the longitudinal direction between two walls of a housing, said walls being arranged to be parallel to the plane of the contact slide, and stationary contacts provided on said walls which cooperate with the movable contacts, each of the movable contacts comprising a pair of resilient fingers which are situated on both sides of a center part adapted to serve for the connection of the movable contact to the contact slide, said fingers forming one integral unit of a plate-like material with said center part, and being provided with a contact area near their free end, each of the movable contacts having two connecting strips which extend substantially perpendicular to the longitudinal direction of said fingers, each connecting strip connecting the non-free end of a finger to an extension of that half of the center part situated near the other finger, the length of said connecting strips exceeding their width, and a central opening in said center part which is slid over a pin projecting from the slide in order to connect said movable contact to said slide.
Claim 2
Dependent Claim
197 words
A slide switch comprising a strip-like contact slide which is provided with movable contacts and which is slidable in the longitudinal direction between two walls of a housing, said walls being arranged to be parallel to the plane of the contact slide, and stationary contacts provided on said walls which cooperate with the movable contacts, each of the movable contacts comprising a pair of resilient fingers which are situated on both sides of a center part adapted to serve for the connection of the movable contact to the contact slide, said fingers forming one integral unit of a plate-like material with said center part, and being provided with a contact area near their free end, each of the movable contacts having two connecting strips which extend substantially perpendicular to the longitudinal direction of said fingers, each connecting strip connecting the non-free end of a finger to an extension of that half of the center part situated near the other finger, the length of said connecting strips exceeding their width, and a central opening in said center part which is slid over a pin projecting from the slide in order to connect said movable contact to said slide.
Claim 3
Dependent Claim
197 words
A slide switch comprising a strip-like contact slide which is provided with movable contacts and which is slidable in the longitudinal direction between two walls of a housing, said walls being arranged to be parallel to the plane of the contact slide, and stationary contacts provided on said walls which cooperate with the movable contacts, each of the movable contacts comprising a pair of resilient fingers which are situated on both sides of a center part adapted to serve for the connection of the movable contact to the contact slide, said fingers forming one integral unit of a plate-like material with said center part, and being provided with a contact area near their free end, each of the movable contacts having two connecting strips which extend substantially perpendicular to the longitudinal direction of said fingers, each connecting strip connecting the non-free end of a finger to an extension of that half of the center part situated near the other finger, the length of said connecting strips exceeding their width, and a central opening in said center part which is slid over a pin projecting from the slide in order to connect said movable contact to said slide.
Claim 4
Dependent Claim
197 words
A slide switch comprising a strip-like contact slide which is provided with movable contacts and which is slidable in the longitudinal direction between two walls of a housing, said walls being arranged to be parallel to the plane of the contact slide, and stationary contacts provided on said walls which cooperate with the movable contacts, each of the movable contacts comprising a pair of resilient fingers which are situated on both sides of a center part adapted to serve for the connection of the movable contact to the contact slide, said fingers forming one integral unit of a plate-like material with said center part, and being provided with a contact area near their free end, each of the movable contacts having two connecting strips which extend substantially perpendicular to the longitudinal direction of said fingers, each connecting strip connecting the non-free end of a finger to an extension of that half of the center part situated near the other finger, the length of said connecting strips exceeding their width, and a central opening in said center part which is slid over a pin projecting from the slide in order to connect said movable contact to said slide.
Claim 5
Dependent Claim
20 words
A slide switch as claimed in claim 1, wherein said fingers are provided with a constriction at the contact areas.
Claim 6
Dependent Claim
24 words
A slide switch as claimed in claim 1 wherein said central opening has at least one inwards projecting tooth which penetrates into the pin.
Claim 7
Dependent Claim
90 words
A slide switch as claimed in claim 1, in which the contact slide can be slid from a first to a second position by a force which acts in its longitudinal direction, locking means being provided to lock the contact slide in said second position, reset means being provided for returning the slide to its first position after unlocking, and wherein the dimension of the stationary contacts is larger at areas where they contact the movable contacts when the contact slide is in the second position than at other areas.
Claim 8
Dependent Claim
30 words
The slide switch according to claim 5 further comprising a constriction at said contact area of each resilient finger so as to minimize the contact surface of said contact area.
Claim 9
Dependent Claim
63 words
The slide according to claim 5 further comprising a pin carried by said slide for receiving said movable contact, and wherein said means for attaching said movable contact to said slide comprises an aperture in said central part and at least one tooth projecting inwardly on said aperture for engaging said pin so as to securely hold said movable contact on said slide.
Claim 10
Dependent Claim
140 words
A slide switch comprising a housing having two spaced parallel walls, stationary contact members carried on said walls, a strip-like slide mounted within said housing for longitudinal movement between said walls, said strip-like slide being movable parallel to said walls, movable contact members carried on said slide for cooperative engagement with the stationary contact members, said movable contacts comprising a central part carrying means for connection to said slide, a pair of resilient fingers formed integrally with said central part, means integrally formed with said fingers and said central part connecting one end of each finger to said central part, said fingers oriented substantially parallel to each other being located on diametrically opposite sides of said central part and having free-ends extending in opposite directions, and a contact area carried on said free ends for contact with said stationary contacts.
Claim 11
Dependent Claim
140 words
A slide switch comprising a housing having two spaced parallel walls, stationary contact members carried on said walls, a strip-like slide mounted within said housing for longitudinal movement between said walls, said strip-like slide being movable parallel to said walls, movable contact members carried on said slide for cooperative engagement with the stationary contact members, said movable contacts comprising a central part carrying means for connection to said slide, a pair of resilient fingers formed integrally with said central part, means integrally formed with said fingers and said central part connecting one end of each finger to said central part, said fingers oriented substantially parallel to each other being located on diametrically opposite sides of said central part and having free-ends extending in opposite directions, and a contact area carried on said free ends for contact with said stationary contacts.
Claim 12
Dependent Claim
66 words
The slide switch according to claim 9 wherein said means connecting said fingers to said central part comprises substantially L-shaped members having one leg thereof connected to the non-free end of one of said fingers and the other leg thereof connected to said central part, the leg connected to said fingers having a length greater than its width so as to form a torsional resilient member.
References Cited (Backward Citations)
US3242273A
Cited
US3399282A
Cited
US3582592A
Cited
US3567891A
Cited
US3624320A
Cited
US3646283A
Cited
US3665127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |